.ploading{
    position:relative;
    min-height: 90px;
}
.relative {
    position:relative;
}
.ploading_container{
    position: absolute;
    left: 0px;
    right: 0px;
    top: 0px;
    bottom: 0px;
    z-index: 99999;
    background-color: rgba(0, 0, 0, 0.5);
}
.loader,
.loader:before,
.loader:after {
    background: #FFF;
    -webkit-animation: load1 1s infinite ease-in-out;
    animation: load1 1s infinite ease-in-out;
    width: 1em;
    height: 4em;
}
.loader:before,
.loader:after {
    position: absolute;
    top: 0;
    content: "";
}
.loader:before {
    left: -1.5em;
}
.loader {
    text-indent: -9999em;
    margin: 30px auto;
    position: absolute;
    font-size: 8px;
    -webkit-animation-delay: -0.16s;
    animation-delay: -0.16s;
    height: 100%;
    left: 50%;
    top: 40%;
}
.loader:after {
    left: 1.5em;
    -webkit-animation-delay: -0.32s;
    animation-delay: -0.32s;
}
@-webkit-keyframes load1 {
    0%,
    80%,
    100% {
        box-shadow: 0 0 #FFF;
        height: 4em;
    }
    40% {
        box-shadow: 0 -2em #ffffff;
        height: 5em;
    }
}
@keyframes load1 {
    0%,
    80%,
    100% {
        box-shadow: 0 0 #FFF;
        height: 4em;
    }
    40% {
        box-shadow: 0 -2em #ffffff;
        height: 5em;
    }
}

/*.myhead {
    display: none;
    position: fixed;
    background: white;
    border: 1px solid #dee2e6;
    padding: 11px;
    top: 0;
}
.myhead > div {
    display: inline-block;
    box-sizing: border-box;
    font-weight: bold;
}*/